SSL_select_next_proto buffer overread
Issue summary: Calling the OpenSSL API function SSL_select_next_proto with an empty supported client protocols buffer may cause a crash or memory contents to be sent to the peer.
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 security update
Released 2025-04-02 · Red Hat rating Important · View on Red Hat →
Issue summary: Calling the OpenSSL API function SSL_select_next_proto with an empty supported client protocols buffer may cause a crash or memory contents to be sent to the peer.
An issue was discovered in libexpat before 2.6.3.
libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string.
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c.
libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c.
HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend applications to cause an HTTP desynchronization attack.
Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.
A vulnerability was found in mod_proxy_cluster.